When each day is the same as the next, it's because people fail to recognize the good things that happen in their lives every day that the sun rises.
The true power of mathematics lies in its ability to simplify the complex, making the incomprehensible understandable.
冲去污浊的水,扬起清澈的水流;废除贪婪,树立廉洁
I want to liberate America from all the things that hold people back.
当我们仅用板英尺来衡量森林的成功时,我们就只见树木不见森林了。
智慧是对痛苦的理解,对喜悦的感激,以及对过去的接受。
Learning makes a man fit company for himself.